EP2505890B1 - Clamp - Google Patents

Clamp Download PDF

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Publication number
EP2505890B1
EP2505890B1 EP10833320.4A EP10833320A EP2505890B1 EP 2505890 B1 EP2505890 B1 EP 2505890B1 EP 10833320 A EP10833320 A EP 10833320A EP 2505890 B1 EP2505890 B1 EP 2505890B1
Authority
EP
European Patent Office
Prior art keywords
pipe
flexible member
clamp
pieces
main body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10833320.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2505890A4 (en
EP2505890A1 (en
Inventor
Takaya Ogawa
Tomoaki Aoshima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nifco Inc
Original Assignee
Nifco Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nifco Inc filed Critical Nifco Inc
Publication of EP2505890A1 publication Critical patent/EP2505890A1/en
Publication of EP2505890A4 publication Critical patent/EP2505890A4/en
Application granted granted Critical
Publication of EP2505890B1 publication Critical patent/EP2505890B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
    • F16L3/12—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
    • F16L3/12—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing
    • F16L3/13—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing and engaging it by snap action
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/20—Clips, i.e. with gripping action effected solely by the inherent resistance to deformation of the material of the fastening
    • F16B2/22—Clips, i.e. with gripping action effected solely by the inherent resistance to deformation of the material of the fastening of resilient material, e.g. rubbery material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/12—Fastening strips or bars to sheets or plates, e.g. rubber strips, decorative strips for motor vehicles, by means of clips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/033—Noise absorbers
    • F16L55/035—Noise absorbers in the form of specially adapted hangers or supports
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/44—Clasp, clip, support-clamp, or required component thereof
    • Y10T24/44641—Clasp, clip, support-clamp, or required component thereof having gripping member formed from, biased by, or mounted on resilient member
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/44—Clasp, clip, support-clamp, or required component thereof
    • Y10T24/44641—Clasp, clip, support-clamp, or required component thereof having gripping member formed from, biased by, or mounted on resilient member
    • Y10T24/44769—Opposed engaging faces on gripping member formed from single piece of resilient material
    • Y10T24/44778—Piece totally forms clasp, clip, or support-clamp and has shaped, wirelike, or bandlike configuration with uniform cross section throughout its length
    • Y10T24/44855—Terminal end of resilient member having engagement or disengagement enhancing structural modifications
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/44—Clasp, clip, support-clamp, or required component thereof
    • Y10T24/44641—Clasp, clip, support-clamp, or required component thereof having gripping member formed from, biased by, or mounted on resilient member
    • Y10T24/44932—Clasp, clip, support-clamp, or required component thereof having gripping member formed from, biased by, or mounted on resilient member having specific surface material or irregularity on or along engaging face

Definitions

  • the present invention relates to a clamp holding a pipe, and also including an anti-vibration function with the features of the preamble of claim 1.
  • a bendable opposite piece of a clamp main body made of a hard member makes a contact with the pipe, so that the clamp prevents the pipe from making a contact with a flexible member, and allows an insertability of the pipe to improve.
  • US 2004/188570 A1 discloses a conventional clamp with the features of the preamble of claim 1.
  • the aforementioned conventional pipe is adapted to be mounted on the inside of the pipe fitting portion of the clamp main body through a space between the upper wall portion and the lower wall portion (for example, see the paragraph [0020], and Figs. 3 and 4 of the Patent Document 1).
  • the pipe is mounted through the space between the upper wall portion and the lower wall portion of the cushion member.
  • a friction resistance of the cushion member is large, there has been a problem that a possibility of failure may occur such as a rise in an insertion force of the pipe, peeling of the cushion member, or the like.
  • the present invention is made in view of the problem that the conventional technology has, and objects thereof are to prevent the pipe from making a contact with the flexible member by contacting the pipe with the bendable opposite piece of the clamp main body made of the hard member at the time of mounting the pipe, and to allow the insertability of the pipe to improve.
  • a clamp has the following structure.
  • a clamp main body is made of a hard member (for example, a piece half portion)
  • a flexible member is provided in the clamp main body.
  • a pipe holding portion is provided in the flexible member, and can hold a pipe.
  • a pipe insertion path communicates one end portion with the pipe holding portion, and opens the other end portion outwardly.
  • a pair of opposite pieces is provided in the clamp main body, and is positioned opposite each other by clamping the pipe insertion path.
  • At least one opposite piece of the pair of opposite pieces is pressed by an outer circumference of the pipe inserted into the pipe insertion path, and is bendable in a direction wherein the pipe insertion path is expandable.
  • one opposite piece extends up to a position adjacent to the pipe holding portion.
  • an extending end portion of one opposite piece protrudes toward an inside of the pipe insertion path from one portion of the flexible member adjacent to the end portion.
  • the present invention may also have the following characteristic.
  • the clamp main body is formed by assembling two pieces of the same members (for example, the piece half portion), and the flexible member is held between two pieces of the members (for example, the piece half portion). Accordingly, by assembling two pieces of the same members, the clamp main body can be assembled, so that the members can be manufactured using one piece of mold. As a result, not only a mold cost can be controlled, but also types or numbers of parts can be reduced, so that an assembly is easy, and furthermore, a wrong assembly can be prevented.
  • a plane surface portion receiving a load in a removal direction acting on the pipe. Accordingly, by the plane surface portion of the bendable opposite piece, the load in the removal direction acting on the pipe can be received.
  • the present invention may also have the following characteristic.
  • the flexible member there is provided a depressed portion in which the claw portion fits in. Accordingly, by fitting the claw portion of the bendable opposite piece of the clamp main body into the depressed portion of the flexible member, the clamp main body and the flexible member can be easily and promptly assembled.
  • the present invention may also have the following characteristic.
  • a cut-out portion for example, first and second cut-out portions
  • the cut-out portion is formed in the flexible member in the direction wherein the bendable opposite piece bends, at a time of mounting the pipe, the hard member can be easily bent, and an insertability of the pipe can be improved further.
  • the present invention may also have the following characteristic.
  • the clamp main body there is formed a pipe support portion extending toward the pipe insertion path. Accordingly, by forming the pipe support portion extending toward the pipe insertion path of the flexible member in the clamp main body, a displacement of a pipe can be prevented. Consequently, a contact between the pipe and the clamp main body made of the hard member can be prevented.
  • the bendable opposite piece of the clamp main body made of the hard member, and the pipe make a contact with each other so as to be capable of preventing the pipe from contacting with the flexible member, and capable of improving the insertability of the pipe. Also, at the time of mounting the pipe, by preventing the pipe from contacting with the flexible member, a failure such as peeling of the flexible member, and the like can be prevented.
  • the reference numeral 10 represents a clamp, and as shown in Fig. 6 , the present clamp 10 holds a pipe 20, and also includes an anti-vibration function.
  • the clamp 10 is disposed inside, for example, an engine compartment (an engine room) of an automobile, and includes a function of an anti-vibration (a vibration control) for making a vibration from a compressor of an air conditioner difficult to transmit to a body from the pipe 20 such as the air conditioner and the like.
  • an anti-vibration a vibration control
  • the clamp 10 is fixed to a panel 30.
  • the panel 30 there is provided an attachment hole 31 passing through up and down.
  • the attachment hole 31 is formed in a non-circular shape, for example, in an oval shape.
  • the attachment hole 31 may also have a shape of an ellipse, a square shape, and the like provided that the attachment hole 31 has the non-circular shape.
  • panels 30 and 30a there are two kinds with a different thickness. Of the panels 30 and 30a, one panel 30 is formed relatively thinly, and the other panel 30a is formed thick.
  • the clamp 10 is structured broadly by the following parts.
  • the parts of the clamp 10 are not limited to the aforementioned (1) and (2).
  • the clamp main body 40 is made of a hard member.
  • the clamp main body 40 is formed by assembling two pieces of the same members, i.e., piece half portions 41 and 42.
  • the later-mentioned flexible member 50 is held between two pieces of the piece half portions 41 and 42 by clamping the flexible member 50 in a sandwich manner.
  • thermoplastic resin having moderate elasticity and rigidity such as, for example, POM (polyacetal resin) and the like.
  • the clamp main body 40 broadly comprises the following parts.
  • each part of the clamp main body 40 is not limited to the aforementioned (1) and (2).
  • the flexible member 50 is provided in the clamp main body.
  • the flexible member 50 is integrally molded by thermoplastic resin such as flexible resin more flexible than the clamp main body 40, for example, TPO (olefinic elastomer) and the like.
  • thermoplastic resin such as flexible resin more flexible than the clamp main body 40, for example, TPO (olefinic elastomer) and the like.
  • the flexible member 50 broadly comprises the following parts.
  • each part of the flexible member 50 is not limited to the following (1) to (4).
  • a pipe holding portion 51 is provided in the flexible member 50, and can hold the pipe 20.
  • the pipe holding portion 51 is formed in a C shape, and an internal diameter thereof is set smaller than an external diameter of the pipe 20.
  • a pipe insertion path 52 communicates one end portion with the pipe holding portion 51, and the other end portion opens outwardly.
  • the pipe insertion path 52 is positioned above the pipe holding portion 51, and a groove width thereof is set smaller than the external diameter of the pipe 20.
  • depressed portions 53 are provided in the flexible member 50, and claw portions 63a of the later-mentioned opposite pieces 63 of the clamp main body 40 fit in.
  • the depressed portions 53 are formed as a right-and-left pair by clamping the pipe insertion path 52, are positioned in a middle of a length of the pipe insertion path 52, and opens toward the pipe insertion path 52.
  • first to fourth cut-out portions 54 to 57 are for allowing the flexible member 50 to be easily bent, and are formed with a plural number, for example, four pieces, in a hole shape passing through in a thickness direction of the flexible member 50.
  • the cut-out portions 54 to 57 are not limited to the hole shape, and may be a depressed shape whose one end is closed.
  • two pieces of the first and second cut-out portions 54 and 55 are positioned in a direction where the opposite pieces 63 bend.
  • the remaining two pieces of the third and fourth cut-out portions 56 and 57 are respectively positioned below the first and second cut-out portions 54 and 55, and are positioned by being opposed to each other in a diametrical direction of the pipe holding portion 51.
  • the frame bodies 60 hold the pipe 20, and are formed in a C shape whose upper surface is open.
  • the frame bodies 60 comprise the respective following parts.
  • each portion of the frame bodies 60 is not limited to the aforementioned (1) to (6).
  • the support legs 70 hang from the frame bodies 60, and support the frame bodies 60 in the panel 30.
  • the support legs 70 comprise the respective following parts.
  • each part of the support legs 70 is not limited to the following (1) to (3).
  • elastic claws 71 respectively protrude from mutually back-to-back side surfaces of the support legs 70, and are formed as a pair.
  • Each elastic claw 71 is pressed by an inner edge of the attachment hole 31 of the panel 30, and is bent toward an inside of the support legs 70 so as to reduce a diameter.
  • each elastic claw 71 restores its original state by an elastic restoring force of the resin, and abuts against a back surface (a lower surface) of the panel 30.
  • each elastic claw 71 clamps the panel 30 between the later-mentioned right-and-left pair of elastic arms 64 of the frame bodies 60 from front and back surfaces (upper and lower surfaces), so that the clamp main body 40 is fixed relative to the attachment hole 31 of the panel 30.
  • the pair of elastic claws 71 protrudes in a top-and-bottom direction in Fig. 5 .
  • the pair of elastic arms 64 protrudes in an orthogonal direction, i.e., a right-and-left direction in the same figure.
  • positioning projections 72 are respectively positioned on matching surfaces of two pieces of the piece half portions 41 and 42, and protrude from one matching surface of the piece half portion 41 or 42 toward the other matching surface of the piece half portion 41 or 42 in a piece shape.
  • positioning holes 73 are adjacent to the positioning projections 72, are respectively positioned on the matching surfaces of two pieces of the piece half portions 41 and 42, and are formed in the hole shape. In the positioning hole 73 formed in one matching surface of the piece half portion 41 or 42, there is fitted the positioning projection 72 protruding from the other matching surface of the piece half portion 41 or 42.
  • the hollow portion 61 is formed in an inner side surrounded by an inner circumference of the C-shaped frame body 60, and the flexible member 50 fits in.
  • a pair of projecting edge portions 61a positioned on both sides of the thickness direction of the hollow portion 61 thereof, and curved along the inner circumference of the C-shaped frame body 60.
  • a height of the projecting edge portions 61a is set lower than a thickness of the flexible member 50.
  • the pair of projecting edge portions 61a is formed in two pieces of the piece half portions 41 and 42 one by one.
  • the projecting edge portions 61a of two pieces of the piece half portions 41 and 42 are positioned on both sides in the thickness direction of the flexible member 50.
  • the opening portion 62 communicates one end portion with the hollow portion 61, and opens the other end portion outwardly.
  • the pipe insertion path 52 of the flexible member 50 In the opening portion 62, there is positioned the pipe insertion path 52 of the flexible member 50.
  • the pair of opposite pieces 63 is provided in the clamp main body 40, and is positioned opposite each other by clamping the pipe insertion path 52 of the flexible member 50.
  • At least one opposite piece 63 of the pair of opposite pieces 63 are pressed by an outer circumference of the pipe 20 inserted into the pipe insertion path 52 as shown in Figs. 16 to 18 , and are bendable in a direction wherein the pipe insertion path 52 is expandable.
  • the opposite pieces 63 are bendable, the opposite pieces 63 are not limited to the above, and only one opposite piece 63 may be bendable.
  • both the opposite pieces 63 extend up to a position adjacent to the pipe holding portion 51 of the flexible member 50, i.e., downwardly, as shown in Figs. 1 , 2 , 6 , and 16 to 18 .
  • One opposite piece 63 in the present embodiment, extending end portions of both the opposite pieces 63, i.e., lower end portions of both the opposite pieces 63, protrude toward an inside of the pipe insertion path 52 from one portion of the flexible member 50 adjacent to the end portions as shown in Figs. 2 and 16 .
  • the pair of opposite pieces 63 is formed in two pieces of the piece half portions 41 and 42 one by one.
  • the opposite pieces 63 of two pieces of the piece half portions 41 and 42 are positioned on both right and left sides in a width direction of the pipe insertion path 52 of the flexible member 50.
  • both the opposite pieces 63 obliquely slope in a "V" shape in such a way that the groove width of the pipe insertion path 52 of the flexible member 50 is narrowed toward the pipe holding portion 51.
  • each opposite piece 63 respectively comprises the respective following parts.
  • each part of the opposite piece 63 is not limited to the following (1) and (2).
  • the claw portion 63a is positioned in the extending end portion, i.e., the lower end portion of the opposite piece 63, and bends in an L shape toward the flexible member 50.
  • the claw portion 63a fits into the depressed portion 53 of the flexible member 50.
  • a plane surface portion 63b is positioned in the extending end portion, i.e., the lower end portion of the opposite piece 63, and receives a load in a removal direction acting on the pipe 20.
  • the right-and-left pair of elastic arms 64 protrudes obliquely downward from both right and left sides of the lower end portion of the frame body 60.
  • the right-and-left elastic arms 64 elastically abut against a front surface (an upper surface) of the panel 30.
  • the right-and-left elastic arms 64 are elastically abutted against the front surface (the upper surface) of the panel 30 so as to allow a change of the thickness of the panels 30 and 30a.
  • the pair of elastic arms 64 protrudes in the right-and-left direction in Fig. 5 .
  • the pair of elastic claws 71 protrudes in the orthogonal direction, i.e., the top-and-bottom direction in the same figure.
  • the right-and-left elastic arms 64 are formed in two pieces of the piece half portions 41 and 42 one by one. As shown in Fig. 2 , when both the piece half portions 41 and 42 are matched face to face and are assembled, the elastic arms 64 of two pieces of the piece half portions 41 and 42 are positioned on both right and left sides.
  • the lock claws 65 respectively protrude from outer circumferences of the frame bodies 60 of the piece half portions 41 and 42. As shown in Figs. 1 to 4 , the lock claw 65 formed in one piece half portion 41 or 42 is fitted into a lock hole 66a of the later-mentioned lock piece 66 formed in the other piece half portion 41 or 42, so that the lock claws 65 mutually fix both the piece half portions 41 and 42.
  • the lock pieces 66 are respectively formed on the outer circumferences of the frame bodies 60 of the piece half portions 41 and 42, and when the piece half portions 41 and 42 are matched face to face, the lock pieces 66 are positioned line-symmetrically to the lock claws 65.
  • the lock pieces 66 extend up and down from one of the piece half portion 41 or 42 toward the other of the piece half portion 41 or 42 in a thin plate manner.
  • the lock pieces 66 comprise the following part.
  • the part of the lock pieces 66 is not limited to the following (1).
  • the lock holes 66a pass through above and below the lock pieces 66, and are formed in a square shape.
  • the shape of the lock holes 66a is not limited to the above, and may be a shape in which the lock claws 65 fit in.
  • the lock claw 65 formed in the other piece half portion 41 or 42 is fitted into the lock hole 66a formed in one piece half portion 41 or 42, so that the lock holes 66a mutually fix both the piece half portions 41 and 42.
  • the flexible member 50 is positioned between two pieces of the piece half portions 41 and 42 which are the same parts, and the piece half portions 41 and 42 are mutually matched face to face so as to assemble the clamp 10.
  • two pieces of the piece half portions 41 and 42 are mutually matched face to face in such a way that one positioning projection 72 of the piece half portion 41 or 42 fits into the other positioning hole 73.
  • the lock claws 65 and the lock pieces 66 are mutually abutted.
  • the lock pieces 66 are pressed by the lock claws 65, and are pressed up so as to bend upward, so that the lock pieces 66 climb over the lock claws 65.
  • the lock pieces 66 restore its original state by the elastic restoring force of the resin, so that as shown in Fig. 3 , the lock claws 65 fit into the lock holes 66a.
  • the pipe 20 may be attached to the pipe holding portion 51 of the clamp 10, and after that, the support legs 70 may be attached to the panel 30, or the support legs 70 may be attached to the panel 30 beforehand, and after that, the pipe 20 may be also attached to the pipe holding portion 51.
  • the latter procedure will be explained.
  • the support legs 70 of the clamp 10 are matched to and inserted into the attachment hole 31 of the panel 30.
  • each elastic claw 71 When the support legs 70 are inserted into the attachment hole 31, the pair of elastic claws 71 is pressed by the inner edge of the attachment hole 31 of the panel 30, and is bent toward the inside of the support legs 70, so that the external diameter of the support legs 70 decreases. After passing through the attachment hole 31, each elastic claw 71 restores its original state by the elastic restoring force of the resin, and as shown in Fig. 6 , the elastic claw 71 abuts against the back surface (the lower surface) of the panel 30.
  • each elastic claw 71 clamps the panel 30 between the later-mentioned right-and-left pair of elastic arms 64 of the frame bodies 60 from the front and back surfaces (the upper and lower surfaces), so that the clamp main body 40 is fixed relative to the attachment hole 31 of the panel 30.
  • the right-and-left elastic arms 64 elastically abut against the front surface (the upper surface) of the panel 30.
  • the right-and-left elastic arms 64 are elastically abutted against the front surface (the upper surface) of the panel 30 so as to allow the change of the thickness of the panels 30 and 30a.
  • the pipe 20 is matched to the pipe insertion path 52 of the flexible member 50, and is inserted toward the pipe holding portion 51.
  • the flexible member 50 is also bent by being pressed by the right-and-left opposite pieces 63.
  • the flexible member 50 is bent by a relatively light force by the first and second cut-out portions 54 and 55 which are respectively positioned outside the pipe insertion path 52 so as to prevent a rise in an insertion force of the pipe 20.
  • the right-and-left opposite pieces 63 bend in the direction that the right-and-left opposite pieces 63 are separated from each other, so that the groove width of the pipe insertion path 52 of the flexible member 50 expands, the pipe 20 passes through the pipe insertion path 52, and as shown in Fig. 6 , the pipe 20 is fitted in the pipe holding portion 51 of the flexible member 50.
  • both the opposite pieces 63 extend up to the position adjacent to the pipe holding portion 51 of the flexible member 50, i.e., downwardly, and the lower end portions of both the opposite pieces 63 protrude toward the inside of the pipe insertion path 52 from one portion of the flexible member 50 adjacent to the end portions. Accordingly, when the pipe 20 passes through the pipe insertion path 52, the outer circumference of the pipe 20 and the flexible member 50 never contact, and the pipe 20 is fitted in the pipe holding portion 51.
  • the flexible member 50 having the anti-vibration function is provided as a separate body from the clamp main body 40, a modification of an allowable diameter and the like of the pipe 20 is easy, and an adjustment can be easily carried out.
  • the allowable diameter of the pipe 20 is related to the internal diameter of the pipe holding portion 51 of the flexible member 50.
  • the flexible member 50 having the different internal diameter of the pipe holding portion 51 can be placed in the same clamp main body 40 without modifying a design of the clamp main body 40, so that there is an advantage that the modification of the allowable diameter of the pipe 20 can be easily carried out.
  • the internal diameter of the pipe holding portion 51 there is an advantage that the adjustment of the allowable diameter of the pipe 20 can be easily carried out.
  • the flexible member 50 elastically deforms by being pressed by the outer circumference of the pipe 20. Moreover, the flexible member 50 elastically deforms, so that through the flexible member 50, the plane surface portion 63b of the clamp main body 40 made of hard resin is pressed.
  • the plane surface portion 63b made of hard resin receives the load in the removal direction acting on the pipe 20, so that while maintaining an anti-vibration effect by the flexible member 50, the plane surface portion 63b can compensate a deficiency of a single strength of the flexible member 50.
  • a characteristic of the present embodiment is that the elastic arms 64 of the clamp main body 40 of the first embodiment explained earlier using Figs. 1 to 18 are omitted, and elastic legs 100 are formed in the flexible member 50.
  • a right-and-left pair of notch portions 110 and 110 wherein the elastic legs 100 of the flexible member 50 pass, and which pass through from the inner circumference to the outer circumference.
  • the elastic legs 100 of the flexible member 50 elastically abut against the front surface (the upper surface) of the panel 30 in the same manner as the elastic arms 64 of the clamp main body 40 of the first embodiment so as to allow the change of the thickness of the panels 30 and 30a.
  • the right-and-left pair of elastic legs 100 of the flexible member 50 is formed, the right-and-left pair of elastic legs 100 is not limited to this, and only one of the elastic legs 100 may be provided. Also, in an explanation of the present embodiment, the same symbols are assigned to the same structural parts as the first embodiment, and their explanations are omitted.
  • a characteristic of the present embodiment is that, as shown in Figs. 24 and 25 , pipe support portions 200 extending toward the pipe insertion path 52 of the flexible member 50 are formed in the clamp main body 40.
  • the pipe support portions 200 protruding toward the center from both right and left sides.
  • the pipe support portions 200 extend from the projecting edge portion 61a of the frame body 60 in a tongue piece manner.
  • the pipe support portion 200 on the left side of Fig. 31 is positioned on the lower side of the opposite piece 63
  • the pipe support portion 200 on the right side of Fig. 31 is positioned on the lower side of the lock piece 66
  • the pipe support portions 200 are symmetrically formed relative to a center line of the frame body 60.
  • end portions of the pipe support portions 200 obliquely slope toward the lower side in a direction of approaching the projecting edge portion 61a.
  • abutment portion 210 which can abut against the pipe support portions 200.
  • the abutment portion 210 protrudes in the right-and-left direction
  • the abutment portion 210 is formed along a circumference of the pipe holding portion 51 in an approximately U shape which is open upward.
  • An outer circumferential surface of the abutment portion 210 faces the end portions of the pipe support portions 200, and may always abut against the end portions of the pipe support portions 200, or may be separated from the end portions of the pipe support portions 200 for a predetermined interval. In a case where the outer circumferential surface of the abutment portion 210 is separated from the end portions of the pipe support portions 200, when the pipe 20 held inside the pipe holding portion 51 is displaced due to a twist and the like, as shown in Figs. 43 and 44 , the outer circumferential surface of the abutment portion 210 abuts against the end portions of the pipe support portions 200.
  • the outer circumferential surface of the flexible abutment portion 210 abuts against the end portions of the hard pipe support portions 200 so as to control a deformation of the flexible member 50. Consequently, a displacement of the pipe 20 inside the pipe holding portion 51 is also controlled.
  • each opposite piece 63 of the piece half portions 41 and 42 comprises the claw portion 63a and the plane surface portion 63b, and further comprises a thinned end portion 63c.
  • An end surface of the end portion 63c is the plane surface portion 63b.
  • the abutment portion 210 of the flexible member 50 elastically abuts against the end portions of the pipe support portions 200 so as to have a cushioning action.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supports For Pipes And Cables (AREA)
  • Clamps And Clips (AREA)
EP10833320.4A 2009-11-27 2010-11-26 Clamp Active EP2505890B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009270207 2009-11-27
JP2010174925A JP5694703B2 (ja) 2009-11-27 2010-08-03 クランプ
PCT/JP2010/071112 WO2011065474A1 (ja) 2009-11-27 2010-11-26 クランプ

Publications (3)

Publication Number Publication Date
EP2505890A1 EP2505890A1 (en) 2012-10-03
EP2505890A4 EP2505890A4 (en) 2017-02-08
EP2505890B1 true EP2505890B1 (en) 2018-05-02

Family

ID=44066578

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10833320.4A Active EP2505890B1 (en) 2009-11-27 2010-11-26 Clamp

Country Status (7)

Country Link
US (1) US9004416B2 (pt)
EP (1) EP2505890B1 (pt)
JP (1) JP5694703B2 (pt)
KR (1) KR101444565B1 (pt)
CN (1) CN102667286B (pt)
BR (1) BR112012012604B1 (pt)
WO (1) WO2011065474A1 (pt)

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DE102012111866B4 (de) * 2012-12-06 2023-12-28 Illinois Tool Works Inc. (N.D.Ges.D. Staates Delaware) Schwingungsdämpfer
JP2014167324A (ja) * 2013-02-28 2014-09-11 Kitagawa Kogyo Co Ltd 固定機構
US9541223B2 (en) 2014-06-30 2017-01-10 Newfrey Llc Two-shot tube retention pocket tube clamp, mold and process
US10363891B2 (en) * 2016-07-15 2019-07-30 GM Global Technology Operations LLC Assembly, a clip assembly for retaining a conduit and a vehicle
CN107289199A (zh) * 2017-08-23 2017-10-24 重庆松芝汽车空调有限公司 汽车空调系统用管路固定管夹
JP7491698B2 (ja) * 2020-01-17 2024-05-28 イリノイ トゥール ワークス インコーポレイティド 円筒部品用クリップ組立体

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Also Published As

Publication number Publication date
JP5694703B2 (ja) 2015-04-01
EP2505890A4 (en) 2017-02-08
CN102667286A (zh) 2012-09-12
JP2011133100A (ja) 2011-07-07
KR101444565B1 (ko) 2014-09-24
KR20120079112A (ko) 2012-07-11
CN102667286B (zh) 2015-06-10
EP2505890A1 (en) 2012-10-03
BR112012012604B1 (pt) 2020-01-07
WO2011065474A1 (ja) 2011-06-03
US9004416B2 (en) 2015-04-14
BR112012012604A2 (pt) 2016-07-12
US20120298811A1 (en) 2012-11-29

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